Squid, URL redirectors, and rewriters
Squid and URL redirector (or rewriter) programs work closely and every request is passed through the specified URL redirector (or rewriter) program and then Squid acts accordingly (redirects the HTTP client to the rewritten URL or fetches the rewritten URL). Let's have a look at a few details about Squid and URL redirectors.
Communication interface
The URL redirectors and rewriters communicate with Squid using a similar and simple interface, which is very easy to understand as well as implement. For each request, the following details are passed to a helper program in one line.
ID URL client_IP/FQDN username method myip=IP myport=PORT [kv-pairs]
The following table gives a brief explanation of the fields passed ...
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